Lapis Lazuli Stone: Characteristics, Meaning, and Cost
Lapis lazuli is a rare and powerful stone, known as the national stone of Afghanistan. It has a characteristic blue color, a vitreous to oily luster, and a hardness of 5.5. It is produced mainly in Afghanistan, Chile, Russia and the United States. It is also the main raw material for natural blue pigments. Lapis Lazuli Color Lapis lazuli stone has a unique blue color, including dark blue, blue-violet, sky blue, light blue, or blue-green. It is the main raw material of natural blue pigments. The blue color of lapis lazuli is determined by the amount of lapis lazuli minerals it contains. The more minerals lapis lazuli has, the more intense the color, and vice versa. And if the blue color is intense, pure and uniform, the quality and value will be higher. On the contrary, if it is interspersed with white lines or spots, the concentration, purity and uniformity will be impaired, which will lower the quality and price. As lapis lazuli is...